Home / 9,861.53-14,789.09-3,286.18

Finding the Fourth Proportional to 9,861.53, 14,789.09 and 3,286.18

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Solution

The fourth proportional to 9,861.53, 14,789.09 and 3,286.18 is: 4,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.53 : 14,789.09 = 3,286.18 : x
  2. Step 2: Convert to fraction form
    9,861.53/14,789.09 = 3,286.18/x
  3. Step 3: Cross multiply
    9,861.53x = 14,789.09 × 3,286.18
  4. Step 4: Simplify right side
    9,861.53x = 48,599,611.78
  5. Step 5: Solve for x
    x = 48,599,611.78/9,861.53
  6. Step 6: Final answer
    x = 4,928.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.